Fedora Hardware :: Diagnose System Lockup - Extremely High Loads?
Dec 23, 2010
Where does one look in terms of diagnostics after a system lockup and hard reset? For example, one of my computers, running Fedora 14 i686, has taken to locking up quite a bit lately. My only way out is a hard reset. Now, once the thing is booted back up I'd like to try to figure out where the problem lies. Where do I look? Will any of the log files reveal anything relevant to me? If so, what sort of things would I be looking for. Keywords?
This same box also locked up when I had Fedora 14 x86_64 installed. I had read that there were some issues with the newer 64 bit kernels that were causing lockups and / or extremely high loads. This is why I switched back to the 32 bit version, 2 days ago to be exact. The box gets little use. It's a toy really and not my main "daily use" computer. It is, however, running folding@home. Maybe that's where the problem is. About 15 minutes ago I called home and had my wife reset the box, then I logged in from work and stopped the folding service. I'll have to see if it locks up without folding running. Folding was running on this box when I had the 64 bit version installed also.
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Mar 18, 2011
However, I would like to ask if anyone else is experiencing Higher than normal CPU usage with openSuSE 11.4 PR?? My system, which is probably similar to others, increases the air flow with the fan on the CPU when it is working hard. Mine gets rather noisy. (don't have it on the floor, but right next to me) This fan speed increase has been lots more prevalent in the newest version of openSuSE.
Have also used 'top' and it looks like xorg is one of the biggest hogs. However, when I use VMware it goes into hyper drive a lot.
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Mar 11, 2011
My Samsung R530 laptop is over heating, I believe it is the fan because I can't feel it working at all. When it over heats it just shutsdown. A few times it is came up with a warning while shutting down for a split second saying a extremely high temperature and shutting down seconds later. I am running Ubuntu 10.10 with Nvidia Geforce with Cuda. I have tried reinstalling Ubuntu, installing Fedora... Nothing I have tried has worked.
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May 9, 2011
Here is the scenario: I load hundreds of h264/ac3 video clips from my HD video camera onto a four disk software raid stripe under Fedora 14 running the 2.6.38.3-15.rc1.fc15.x86_64 kernel. I then run a python script I've written to do batch process transcoding on the clips so that I can then edit them in cinelerra. FWIW, the transcode command is: nice ffmpeg -i infile.MTS -y -deinterlace -s hd720 -r 29.97 -acodec pcm_s16be -ar 48000 -ac 2 -vcodec mjpeg -qscale 2 out.mov. The python script batches these commands until they are all completed.
The system is capable of 16 concurrent threads and I set up 8 concurrent run queues to do the processing. Occasionally (about one in every 7 runs), the system will hard lockup during the batch. The X screens are still visible, but the mouse and keyboard are dead and the onscreen clocks freeze. The network io led still flashes but the hard disk io led is on solid at that point, leading me to theorize a kernel bug in the software raid handling. I am not able to remote log in and the system must be then hard rest with the reset button. After the reset there is no useful information in the system logs. this is a pretty uber SMP machine: two westmere quad core cpus, 24GB of ram and a four WD disk software stripe array running under the Intel ICH10 controller. I also have a RocketRaid controller installed but no disks are currently attached to it, and I disabled its bios in the setup. Additional disks under the ICH10 are an SSD system disk, and a sata insertion caddy that I usually have occupied with a disk I do backups to. So, all 6 channels on the ICH are usuallt occupied. General output from hdparm -i is:
[code]....
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Apr 28, 2011
I'm using Ubuntu 10.10, with a wireless HP j4680. That prints on occassion. I've tricked it once by creating a new printer System/Admin/printers, setting the "new" printer to default then deleting the old printer. Not working that way this time. I've search the old forums, a lot of activity in 2007-2008 but nothing since.
Is there a way to defeat HP's efforts to force it's customers to purchase the extremely high, close to 50.00 dollars in my area.
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Sep 4, 2010
My problem is extremely slow write on hard disk and 100% cpu usage and it happens when I want to write something on the hard derive not any other external derive.
Tried a fresh ubuntu install. No change. I am not even sure if it is a software or hardware problem.
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Aug 19, 2010
I have a firewall / proxy that has an extremely high load, but I can't figure out what's using it. No real cpu usage, the disks are sleeping except for a little log activity, it's on gigabit ethernet and not close to maxing out... Command link stuff runs fast, nothing seems slow, yet the load is sky-high. IME this kind of load is associated with a lot of disk I/O, but that's not the case here. What could be causing this, what else factors into the load?
uname -a:
Code:
Linux myfirewall.mydomain.com 2.6.8 #1 SMP Mon Oct 18 11:20:22 CDT 2004 i686 i686 i386 GNU/Linux
top:
Code:
07:55:43 up 1503 days, 17:13, 5 users, load average: 26.50, 26.33, 26.25
Tasks: 245 total, 2 running, 243 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.6% us, 1.1% sy, 0.0% ni, 95.0% id, 2.7% wa, 0.2% hi, 0.5% si
Mem: 3895508k total, 3582272k used, 313236k free, 207468k buffers
Swap: 2040244k total, 112664k used, 1927580k free, 1358744k cached
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Sep 4, 2009
Just recently installed fedora 11 64-bit on my laptop. Everything was fine until today. Everytime I boot up, it crashes right after the desktop loads. Everything is loaded except the area where the running programs are on the taskbar is just one big white block. And a bubble popup says "New SELinux security alert. AVC denial." but everything is frozen. Can't move the cursor or use keyboard. and nothing is happening on the screen. Completly frozen. Anybody have any ideas on what is wrong and how to fix it?
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Apr 12, 2010
i recently switched from slackware to debian because my laptop kept freezing up on slackware, and now it's doing the same on debian on slackware i would get this error in syslog: "hpet: compare register readback failed" at the exact time of lockup, which would leave me with a blinking capslock led indicator, and a completely frozen system (not even magic sysreq sequence would do anything) now on debian, same symptoms only there's nothing in syslog, and no blinking capslock led hardware is: i7 720q intel pm55 chipset nvidia gt 240m laptop model is lenovo ideapad y550p this will occur both in X and at the console i am using my own kernel as the default kernel doesn't support my ethernet adapter i have tried disabling hpet at boot, but there was no difference i have tried the patch posted here
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Apr 17, 2011
I am running Ubuntu 10.10 (amd64) on an Intel Atom 525 motherboard. I have a 5-bay SATA enclosure connected to my system through a Syba SD-SATA2-2E2I PCI card (uses the SIL3124 chipset). Under small to moderate load (transfer speed: ~25 Mb/sec), this setup works perfectly. Under heavy load (transfer speed: ~40 - 70 Mb/sec), the system crashes. By crash I mean I loose SSH connectivity, I can't ping the system, etc. The only solution is a hard reset. Initially, I thought this was a SAMBA problem so I logged into the system and tried doing a copy directly from the SATA enclosure to the system disk (connected directly to the motherboard). After 100 GB copied (at ~75 Mb/sec), the system crashed. My question: I am fairly new to Linux and Ubuntu. How would I go about diagnosing this problem?
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Jun 28, 2010
I can't update, download packages, or even diagnose due to an elusive error.
If I try to update or check using terminal I get this:
I even tried to restart in recovery mode to check for broken packages and I got this error:
I usually find answers in the documentation but this time I'm really stumped. I am Running 64 bit Ubuntu 9.04.
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Jul 19, 2010
I've just installed OpenSuse 11.3 on my two Sony Vaio VPCF11Z1E machines (which have a Geforce GT 330M graphics card).Both machines appear to setup correctly and behave normally, but at seemingly random intervals (of the order of magnitude of 15-30 minutes) the whole system locks up for no readily apparent reason. I can still move the mouse pointer around the screen, but I cannot click on anything, and the whole keyboard is unresponsive (including any reasonable ctrl-alt-xxx which might normally help). The only way to get out of this seems to be to press and hold the power button to shut the whole machine off (which is not ideal!)
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Jul 2, 2011
I am not sure of which LibreOffice version I am using because I can't open the ****ed program. So here's what's happening: I start LibreOffice, my screen looks unusual (it tiles a section of the screen that is the same size as the LibreOffice window (I think) across both of my monitors) and my system locks up. I am unable to use Ctrl+Alt+Backspace, Ctrl+Alt+Delete, Ctrl+Alt+F1-F8, or any other keyboard combination. No mouse click registers and the cursor acts as if the mouse is in one location (if the system locked up with my cursor over a link, the cursor stays like that) BUT the mouse still moves. Also, if I am playing music when it locks up, I can continue to hear the music and the music continues to shuffle through my playlist.
I am able to access my machine normally through ssh and the only way I've been able to fix this is to hold down the power button or pull the power. I have not identified what action causes the system to lock up, the only thing I've noticed is that LibreOffice is open every time this happens (It's happened no matter if Writer or Calc is open). The system almost always locks up upon startup of LibreOffice if the recovery window pops up, otherwise it locks up at some point during my LibreOffice session no matter what. I have not touched LibreOffice on my other machine's openSUSE installation, so I don't know how reproducible the problem is. Let me know if you need any extra information or if there are any diagnostic commands I could run.
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Mar 20, 2011
I have a E-MU 0202 USB soundcard that I want to use as a input for my Debian Squeeze 6.0.1. Stock squeeze (kernel 2.6.32-5-686, version 2.6.32-31) has alsa-driver 1.0.21 as kernel modules and alsa-utils 1.0.23. The E-MU needs 1.0.23+ alsa driver, with 1.0.21 it loads in alsa but is not functional (no input) So I tried to install the 1.0.23 modules with module assistant: m-a update && m-a prepare m-a a-i alsa I left all conf-files (like /etc/modprobe.d/alsa-base.conf) standard. When I now connect the E-MU device, my whole system becomes unresponsive (to keyboard/mouse), and I get the following messages in my console: BUG: soft lockup - CPU#0 stuck for 61s! [modprobe:1292] Also, when I start top before connecting, I can see modprobe process taking 100% for a few minutes before system freezes completely. It did generate an oops once: [URL].... Does anybody here have any ideas how to get this working?
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Jun 3, 2011
Running updated 11.04 on a older Dell Precision 360n. Been having random system freezes for the past month that requires a hard restart (REISUB doesn't work) each time. Sometimes the caps lock and scroll lock LEDs blink, other times not. sometimes it happens during boot, other times during normal usage. There hasn't been anything in any of the logs (except once, which I'll post below). This happened running 10.04 and 10.10 as well. I've run PC-check a few times and all hardware diagnostics have passed. Until today, i've been able to boot and run Trinity Rescue Kit 3.4 to mount the disk and examine the logs (and do backups), but now TRK won't boot and spews kernel panics when loading.
[code]....
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Sep 22, 2009
A recent yum -y update produced the same error on a half dozen boxes: --> Finished Dependency Resolution gnome-phone-manage 0.65-1.fc11.x86_64 from installed has depsolving problems --> Missing Dependency: libgnome-bluetooth.so.2()(64bit) is needed by package gnome-phone-manager-0.65-1.fc11.x86_64 (installed) Error: Missing Dependency: libgnome-bluetooth.so.2()(64bit) is needed by package gnome-phone-manager-0.65-1.fc11.x86_64 (installed) So I did the following:
[code]....
I am at a loss as to what the complaint is about. Everything appears to be in order and the application works just fine. Can anyone tell me what yum is complaining about?
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Jun 26, 2011
I've been getting some system freezes when running blender on a new system (using about 1/2 my 8GB memory, AMD Phenom II x6 1090T+default AMD CPU cooler, ECS A880LM-M motherboard, Corsair 1333 DDR3, 2x4GB). PS voltages (measured off MOLEX plug) 12.05VDC and 5.2VDC. Tried BIOS resetting defaults. I'm trying to narrow down the problem with the MEMTEST v4.0. It gets through all tests fine until test #7 (block move) and starts throwing a ton of errors, and about 2/3 of the way through that test it says "unexpected interrupt, halting CPU0." All the listings say "28dbbd11" (this varies from run to run, except the 'Stack:' listing seems to count up from that number). I've tried unplugging one memory module and then swapping them as well as their positions. Same result always: block moves throw errors, followed by halting CPU0. To me this suggests the motherboard or the Phenom II. But I don't know how to test these. Can someone give the next step in diagnosis? I did find this link, but I'm not sure how it differentiates between my error and something specific to either the MOBO or CPU:
[code]....
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Jun 4, 2011
Using a set of instruction given to me, I was able to set up a Macintosh system running Mac OS X to successfully connect to a virtual private network.I then tried to adapt those same instruction to configure a system running Fedora Linux 12 on an Intel Core2 Duo system.However when I try to connect using the NetworkManager Applet, I get an error that saying the VPN connection failed, with no clear indication of what the actual problem is.What can I do to troubleshoot this problem and find out why the connection is failing?
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Sep 10, 2010
The screen will show a blinking cursor for a few seconds. The keyboard works and a signal is found for the speakers. Then the 'Ubuntu' loading screen will show but at this point the screen would freeze and the keyboard will cease to function. At this point I have to reboot from the on/off switch. It can take several attempts before the desktop will load, or if I'm lucky, it'll load up first time. I've had this problem since 9.10. I'm not quite sure why it's taken me this long to attempt to sort it out.
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Feb 26, 2010
opensuse v11.2, linux
The system messages log show thousands of these messages below. One every 5 seconds. Is this expected? Is there a fix?
Code:
Feb 26 12:12:18 sma-station14l pulseaudio[3214]: ratelimit.c: 15 events suppressed
Feb 26 12:12:23 sma-station14l pulseaudio[3214]: ratelimit.c: 16 events suppressed
Feb 26 12:12:28 sma-station14l pulseaudio[3214]: ratelimit.c: 15 events suppressed
Feb 26 12:12:33 sma-station14l pulseaudio[3214]: ratelimit.c: 16 events suppressed
Feb 26 12:12:38 sma-station14l pulseaudio[3214]: ratelimit.c: 15 events suppressed
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Jul 7, 2010
I just built a server, which displays 8 cores in the i7 processor. However, because of the 2 threads per core, it shows up as an 8 core system. When viewing htop, it shows system loads at 0.29,0.18, and 0.13 for respective averaging times. How would I calculate actual system load for this processor? Would I divide the average by 4 or 8? Or, is there another method?
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Nov 15, 2010
As stated in the subject when I click on partition in Places or try to open a folder e.g. by selecting open containing folder in transmission the system will load music player instead of nautlius. Is this some kind of problem with file associations??
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Aug 27, 2010
my data resides in a partition sda2 - in a logical volume lv_root.unless I'm wrong lv_root contains the information on how to load the partition.so superficially it seems the partition must be loaded bofore we get the info on how to load it.
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Nov 19, 2009
I just upgraded from F11 to F12 and get this error:
[drm] nouveau 0000:01:00.0 GPU lockup - switching to software fbcon
With Ctl-F2 I can switch to console and login, so the system is running.
"ps -ef | grep Xsession" shows constant changing pid for Xsession, so I guess Xsession is continuously being restarted for some reason.
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Jul 1, 2010
I'm not sure if this helps and I'm not sure how to tell anyone what I found, but was a problem in Fedora 10 and 11 were VM's running in KVM would lockup due to (disk or network) IO activity. The problem silently vanished as soon as I installed Fedora 12 as my VM. I upgraded my VM to Fedora 13 and the problem re-surfaced. Oddly, no other distributions seem to have this problem any more judging from Google. My configuration:Host = x86_64, 4 cores, Fedora 11VM = i686, 2 virtual cores, Fedora 10, 11, or 13 (Fedora 12 works)What worked for me was using only one core in my VM. Things have been stable for a few days now
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Oct 22, 2009
I have a new Fedora 11 install with all updates working on my: Dell XPS M1330 laptop with nVidia GeForce 8400M GS
I wanted to install compiz fusion on Gnome so I followed these step by step instructions from:
Fedora refused to boot, locking up during the process.
Here is what happens...
After updates I had 3 options at boot up:
A) If I choose the TOP one (newest) it will boot up to a black screen and nothing else, I get a white block which moves with mouse. I cant get a shell and any key I hit just echoes back...ctr-alt-del will result in normal shutdown process displaying.
If I watch the services start (F1) I see all -OK- except: nvidia.ko: Driver already enabled
The boot continues with all OK until it gets to:
STARTING atd:
at which time the screen flashes for about 7 seconds and locks up.
B) If I choose MIDDLE boot option and watch the boot process I see most services start OK except:
-[OK]
Checking for module nvidia.ko [FAILED]
nvidia.ko for kernel 2.6.30.8-64.fc11.i686.PAE was not found [WARNING]
The nvidia driver will not be enabled until found [WARNING]
Driver already disabled
-[OK]
Then the services continue on with [OK] until a few seconds later the screen halts with a mess of colors and symbols on screen and system stops booting. Any key pressed simply echoes back with no other result. Again ctrl-alt-del refreshes screen and shutdown of services proceeds normally.
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Jan 31, 2010
I am having a problem with lockups on a new FC12 box (dual core 3 ghz, 4 gb memory,nvidia 8400gs). This happens reliably when replaying MythTV videos, but also randomly at other times using other apps (I suspect also boot but I can't be sure; it just occasionally stalls part way through the boot display).
Usually but not always this is accompanied by a kernel panic (caps lock + scroll lock lights flash on keyboard).
I did a core dump with kdump and it reports: Thread 1 (<main task>): Cannot access memory at address 0xffff880028025b70I am in the process of running memtest86+ right now. It's been through several passes without errors. I'm going to let it run some more, but if that is dependable it's looking like the RAM sticks are not the problem.
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Jan 31, 2010
I am having a problem with lockups on a new FC12 box (dual core 3 ghz, 4 gb memory,HDPVR,nvidia 8400gs). This happens reliably when replaying MythTV videos, but also randomly at other times using other apps (I suspect also boot but I can't be sure; it just occasionally stalls part way through the boot display).
Usually but not always this is accompanied by a kernel panic (caps lock + scroll lock lights flash on keyboard).
I did a core dump with kdump and it reports:
Thread 1 (<main task>):
Cannot access memory at address 0xffff880028025b70
I am in the process of running memtest86+ right now, and it's been through several passes without errors. I know it needs to run more, but given the reliability of this problem with MythTV video playback I am wondering if the problem could be in the video card memory.
Does anyone know of a linux (or bootable) tester for video memory? All I am able to find are some things for windoze like this.
Also is there any way to track that address from the core dump back to a physical location?
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May 16, 2010
I've been running F@H on my system for a while now, these specs:
ASUS Rampage Formula
Q9450 @ 3.6Ghz
4GB DDR2
8800GT 512MB
Fedora 12
Running various different nvidia drivers, with working 3D, and running the latest nvidia drivers with cuda for GPU2 folding + SMP folding.
I decided to add a 9800GT to the machine for more folding PPD, and I've run into some issues.
Firstly there were problems starting X, it would hang as it started or even before it started, so I switched to RPMFusion's repo drivers which have the VGA_ARB patch applied. This now gets me into X and working 2D.
The problem I have is, although the system is completely stable running folding on all four cores, SMP, 24/7, as soon as I start anything involving 3D (such as glxgears) it will run for 3 seconds then hardlock the machine. I mean seriously lock it, no switching to terminals, and an ssh session into it from another PC dies.
Its the same with any other driver that will boot into X with the VGA_ARB patch (talking nvidia binary here).
Both cards work perfectly individually, AND both cards work, including full 3D in Windows 7 when together, which would tend to rule out a hardware fault.
Here is my xorg.conf
Code:
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Nov 11, 2009
I have a server running samba process and there are about 70 samba users connected at a time. The system has 4Gb of memory and it seems each samba process is utilizing only 3352Kb of memory.
When I run the command
pmap -d (pid of samba)
It gives as:
b7ffa000 4 rw-s- 0000000000000000 0fd:00003 messages.tdb
bfe46000 1768 rw--- 00000000bfe46000 000:00000 [ stack ]
ffffe000 4 r-x-- 0000000000000000 000:00000 [ anon ]
mapped: 33384K writeable/private: 3352K shared: 20504K
But when I run the top command, it results as below:
Tasks: 163 total, 1 running, 162 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.9% us, 4.9% sy, 0.0% ni, 93.3% id, 0.8% wa, 0.2% hi, 0.0% si
Mem: 3895444k total, 3163192k used, 732252k free, 352344k buffers
Swap: 2097144k total, 208k used, 2096936k free, 2487636k cached
Why could the system be utilizing such high memory? By the way, the server is not running other processes. The samba version running in it is 3.0.33-0.17.
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